That a teacher should be visited by the father of a pupil, especially when that father was still, as Madame Clopin said, si bien, was against that lady's austere Helvetian code.

学生的父亲应该拜访一位老师，尤其是当这位父亲还在时，正如 Clopin 夫人所说，si bien，这违反了那位女士严格的 Helvetian 代码。